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import cors from 'cors'
import express from 'express'
import { VideosTorrentCache } from '@server/lib/files-cache/videos-torrent-cache'
import { MActorImage } from '@server/types/models'
import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
import { logger } from '../helpers/logger'
import { ACTOR_IMAGES_SIZE, LAZY_STATIC_PATHS, STATIC_MAX_AGE } from '../initializers/constants'
import { VideosCaptionCache, VideosPreviewCache } from '../lib/files-cache'
import { actorImagePathUnsafeCache, downloadActorImageFromWorker } from '../lib/local-actor'
import { asyncMiddleware, handleStaticError } from '../middlewares'
import { ActorImageModel } from '../models/actor/actor-image'
const lazyStaticRouter = express.Router()
lazyStaticRouter.use(cors())
lazyStaticRouter.use(
LAZY_STATIC_PATHS.AVATARS + ':filename',
asyncMiddleware(getActorImage),
handleStaticError
)
lazyStaticRouter.use(
LAZY_STATIC_PATHS.BANNERS + ':filename',
asyncMiddleware(getActorImage),
handleStaticError
)
lazyStaticRouter.use(
LAZY_STATIC_PATHS.PREVIEWS + ':filename',
asyncMiddleware(getPreview),
handleStaticError
)
lazyStaticRouter.use(
LAZY_STATIC_PATHS.VIDEO_CAPTIONS + ':filename',
asyncMiddleware(getVideoCaption),
handleStaticError
)
lazyStaticRouter.use(
LAZY_STATIC_PATHS.TORRENTS + ':filename',
asyncMiddleware(getTorrent),
handleStaticError
)
// ---------------------------------------------------------------------------
export {
lazyStaticRouter,
getPreview,
getVideoCaption
}
// ---------------------------------------------------------------------------
async function getActorImage (req: express.Request, res: express.Response, next: express.NextFunction) {
const filename = req.params.filename
if (actorImagePathUnsafeCache.has(filename)) {
return res.sendFile(actorImagePathUnsafeCache.get(filename), { maxAge: STATIC_MAX_AGE.SERVER })
}
const image = await ActorImageModel.loadByName(filename)
if (!image) return res.status(HttpStatusCode.NOT_FOUND_404).end()
if (image.onDisk === false) {
if (!image.fileUrl) return res.status(HttpStatusCode.NOT_FOUND_404).end()
logger.info('Lazy serve remote actor image %s.', image.fileUrl)
try {
await downloadActorImageFromWorker({
filename: image.filename,
fileUrl: image.fileUrl,
size: getActorImageSize(image),
type: image.type
})
} catch (err) {
logger.warn('Cannot process remote actor image %s.', image.fileUrl, { err })
return res.status(HttpStatusCode.NOT_FOUND_404).end()
}
image.onDisk = true
image.save()
.catch(err => logger.error('Cannot save new actor image disk state.', { err }))
}
const path = image.getPath()
actorImagePathUnsafeCache.set(filename, path)
return res.sendFile(path, { maxAge: STATIC_MAX_AGE.LAZY_SERVER }, (err: any) => {
if (!err) return
// It seems this actor image is not on the disk anymore
if (err.status === HttpStatusCode.NOT_FOUND_404 && !image.isOwned()) {
logger.error('Cannot lazy serve actor image %s.', filename, { err })
actorImagePathUnsafeCache.delete(filename)
image.onDisk = false
image.save()
.catch(err => logger.error('Cannot save new actor image disk state.', { err }))
}
return next(err)
})
}
function getActorImageSize (image: MActorImage): { width: number, height: number } {
if (image.width && image.height) {
return {
height: image.height,
width: image.width
}
}
return ACTOR_IMAGES_SIZE[image.type][0]
}
async function getPreview (req: express.Request, res: express.Response) {
const result = await VideosPreviewCache.Instance.getFilePath(req.params.filename)
if (!result) return res.status(HttpStatusCode.NOT_FOUND_404).end()
return res.sendFile(result.path, { maxAge: STATIC_MAX_AGE.LAZY_SERVER })
}
async function getVideoCaption (req: express.Request, res: express.Response) {
const result = await VideosCaptionCache.Instance.getFilePath(req.params.filename)
if (!result) return res.status(HttpStatusCode.NOT_FOUND_404).end()
return res.sendFile(result.path, { maxAge: STATIC_MAX_AGE.LAZY_SERVER })
}
async function getTorrent (req: express.Request, res: express.Response) {
const result = await VideosTorrentCache.Instance.getFilePath(req.params.filename)
if (!result) return res.status(HttpStatusCode.NOT_FOUND_404).end()
// Torrents still use the old naming convention (video uuid + .torrent)
return res.sendFile(result.path, { maxAge: STATIC_MAX_AGE.SERVER })
}
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